| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vora Ami Prafullchandra | Director | C/O DATADOG, INC., 620 8TH AVENUE, 45TH FLOOR, NEW YORK | /s/ Kerry Acocella, Attorney-in-Fact | 12 Sep 2025 | 0002084727 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | DDOG | Class A Common Stock | 0 | 11 Sep 2025 | Direct |